High prevalence of targetable drivers but poor outcomes in lung adenocarcinoma: a real-world cohort from the French West Indies - Report - MDSpire

High prevalence of targetable drivers but poor outcomes in lung adenocarcinoma: a real-world cohort from the French West Indies

  • By

  • Régine Marlin

  • Emeline Colomba

  • Sabrina Pennont

  • Adel Zouzou

  • Marlyne Moranton

  • Nassim Boukadoum

  • Heriniaina Randriamiarisoa

  • Jean-Marc Rakotonarivo

  • Stefanos Bougas

  • Karim Fard

  • Soizic Masson

  • Moustapha Dramé

  • Jacques Jougon

  • Mihaela Aldea

  • Moustapha Agossou

  • May 4, 2026

  • 0 min

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High Incidence of Targetable Genetic Alterations in Lung Adenocarcinoma

Overview

This study reveals a high incidence of actionable genetic alterations in lung adenocarcinoma among patients in the French West Indies, with 62% of tumors exhibiting targetable mutations. Despite this, the study highlights significant challenges in early diagnosis and treatment initiation, leading to suboptimal patient outcomes.

Background

Lung adenocarcinoma is the most prevalent subtype of non-small cell lung cancer (NSCLC) and is associated with high mortality rates globally. Understanding the molecular epidemiology and treatment outcomes in diverse populations, particularly in underserved regions like the Caribbean, is crucial for improving cancer care and outcomes. This study addresses the gap in knowledge regarding lung adenocarcinoma in the French West Indies, where healthcare access and cancer treatment disparities are pronounced.

Data Highlights

ParameterValue
Patients Studied159
De Novo Metastatic Disease58.5%
Actionable Oncogenic Drivers62%
Median Overall Survival19.3 months
PD-L1 Expression ≥1%61%

Key Findings

  • 62% of tumors had actionable oncogenic drivers, including EGFR (33%) and KRAS (18%).
  • 58.5% of patients presented with de novo metastatic disease.
  • Median overall survival was 19.3 months.
  • Progression-free survival was longer with targeted therapies compared to immunotherapy.
  • 61% of patients exhibited PD-L1 expression ≥1%.

Clinical Implications

The findings underscore the importance of implementing systematic molecular testing for lung adenocarcinoma to guide treatment decisions. Enhancing early diagnosis and access to targeted therapies is critical to improving outcomes in populations with limited healthcare resources.

Conclusion

This study highlights the urgent need for improved diagnostic and treatment strategies for lung adenocarcinoma in the French West Indies, where significant genetic alterations are present but often go untreated due to systemic healthcare challenges.

References

  1. The ASCO Post, 2013 -- French Investigators Prospectively Test Genomically Driven Treatment in Metastatic Breast Cancer
  2. The ASCO Post, 2014 -- Importance of Using Multiplex Testing for Oncogenic Drivers to Select Targeted Drugs in Lung Cancer
  3. The ASCO Post, 2021 -- Genomic Profiling of Lung Adenocarcinoma in Never-Smokers vs Smokers
  4. Therapy for Stage IV Non-Small Cell Lung Cancer With Driver Alterations: ASCO Living Guideline, 2026.3.0 - PubMed
  5. The ASCO Post — Standards of Care Confirmed in Latest Group of Colorectal Cancer Trials
  6. Therapy for Stage IV Non-Small Cell Lung Cancer With Driver Alterations: ASCO Living Guideline, 2026.3.0 - PubMed
  7. FDA Approves Osimertinib in Stage III NSCLC After Chemoradiotherapy - The ASCO Post
  8. Racial and socioeconomic disparities in non-small cell lung cancer molecular diagnostics uptake - PubMed

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